Merge "Add IMF ownership in HandwritingIme" am: fada1cb8f0 am: 417bf37aa6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2235236

Change-Id: If2d883a405053a1b736a1b83ce562e270db3c5ba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>